package com.atguigu.eduservice.controller;

import com.atguigu.commonutils.R;
import com.atguigu.eduservice.entity.EduCourse;
import com.atguigu.eduservice.entity.vo.CourseInfoVo;
import com.atguigu.eduservice.entity.vo.CoursePublishVo;
import com.atguigu.eduservice.entity.vo.CourseQuery;
import com.atguigu.eduservice.service.EduCourseService;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.util.StringUtils;
import org.springframework.web.bind.annotation.*;

import java.util.List;

/**
 * <p>
 * 课程 前端控制器
 * </p>
 *
 * @author ludonghuang
 * @since 2021-12-05
 */
@RestController
@Api(description = "课程管理")
@RequestMapping("/eduservice/course")
//@CrossOrigin
public class EduCourseController {

    @Autowired
    private EduCourseService courseService;

    @ApiOperation(value = "条件查询带分页")
    @PostMapping("/pageCourseCondition//{current}/{limit}")
    public R getCourseList(@PathVariable long current,
                           @PathVariable long limit,
                           @RequestBody(required = false) CourseQuery courseQuery) {
        //创建page对象
        Page<EduCourse> pageCourse = new Page<>(current, limit);
        //构建条件
        QueryWrapper<EduCourse> wrapper = new QueryWrapper<>();
        //获取对象中的条件值
        String title = courseQuery.getTitle();
        String status = courseQuery.getStatus();
        //判断条件值是否为空，如果不为空拼接条件
        if (!StringUtils.isEmpty(title)) {
            //构建条件
            wrapper.like("title", title);
        }
        if (!StringUtils.isEmpty(status)) {
            wrapper.eq("status", status);
        }
        //调用service的分页方法
        courseService.page(pageCourse, wrapper);
        long total = pageCourse.getTotal(); //总记录条数
        List<EduCourse> records = pageCourse.getRecords(); //分页数据list集合
        return R.ok().data("total", total).data("rows", records);
    }

    @ApiOperation("添加课程基本信息")
    @PostMapping("/addCourseInfo")
    public R addCourseInfo(@RequestBody CourseInfoVo courseInfoVo) {
        //返回添加之后的课程id，为了方便后面添加大纲使用
        String id = courseService.addCourseInfo(courseInfoVo);
        return R.ok().data("courseId", id);
    }

    @ApiOperation(value = "根据课程id查询课程的基本信息")
    @GetMapping("/getCourseInfo/{courseId}")
    public R getCourseInfo(@PathVariable String courseId) {
        CourseInfoVo courseInfoVo = courseService.getCourseInfo(courseId);
        return R.ok().data("courseInfoVo", courseInfoVo);
    }

    @ApiOperation(value = "修改课程信息")
    @PostMapping("/updateCourseInfo")
    public R updateCourseInfo(@RequestBody CourseInfoVo courseInfoVo) {
        courseService.updateCourseInfo(courseInfoVo);
        return R.ok();
    }

    @ApiOperation(value = "根据课程id查询课程确认信息")
    @GetMapping("/getPublishCourseInfo/{id}")
    public R getPublishCourseInfo(@PathVariable String id) {
        CoursePublishVo coursePublishVo = courseService.publishCourseInfo(id);
        return R.ok().data("publishCourse", coursePublishVo);
    }

    @ApiOperation(value = "课程最终发布")
    @PostMapping("/publishCourse/{id}")
    public R publishCourse(@PathVariable String id) {
        EduCourse eduCourse = new EduCourse();
        eduCourse.setId(id);
        //设置课程的状态 发布状态
        eduCourse.setStatus("Normal");
        courseService.updateById(eduCourse);
        return R.ok();
    }

    @ApiOperation(value = "删除课程")
    @DeleteMapping("/deleteCourse/{courseId}")
    public R deleteCourse(@PathVariable String courseId) {
        courseService.removeCourse(courseId);
        return R.ok();
    }
}

